Residential Consumer Loans - Schedule of Unsecuritized Residential Consumer Loans Held-for-Sale (Details) - Residential Consumer Loans - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
UPB	$ 2,883,260	$ 3,022,360
Fair value of loans	2,936,595	3,092,014
Market value of loans pledged as collateral under short-term borrowing agreements	$ 2,913,168	$ 3,066,067
Weighted average coupon	6.62%	6.59%
Financing Receivables, Equal to Greater than 90 Days Past Due
SEC Schedule, 12-29, Real Estate Companies, Investment in Mortgage Loans on Real Estate [Line Items]
UPB of loans with 90+ day delinquencies	$ 7,207	$ 721
Average 90+ days delinquent balance (UPB)	480	721
UPB of loans in foreclosure	702	0
Average foreclosure balance (UPB)	$ 702	$ 0

Fair Value, Option, Loans Held As Assets, Aggregate Amount In Foreclosure

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Loans Held-for-Sale, Weighted Average Coupon Rate

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This item represents the aggregate fair value of loans held as assets that are 90 days or more past due for which the fair value option has been elected.

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For loans held as assets for which the fair value option has been elected, this item represents the difference between the aggregate fair value and the aggregate unpaid principal balance of those loans that are 90 days or more past due.

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Fair value portion of loan receivable, including, but not limited to, mortgage loans held for investment, finance receivables held for investment, policy loans on insurance contracts.

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Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

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